Aug 9 (Reuters) - Yemen's Iran-aligned Houthis said they had attacked Saudi Aramco's Jazan refinery on Sunday, two days after the kingdom signed a defence pact with Turkey and Pakistan in response to growing regional instability from the U.S.-Israeli war on Iran.With Iran and the United States still arguing over the parameters for peace, the Houthis declared a naval blockade against Saudi Arabia in the Red Sea last month, citing what they said was a Saudi siege on them, an allegation Riyadh denies.

Meanwhile, Iran has made new demands about the restart of negotiations and the reopening of the Strait of Hormuz, and the Pentagon is pressing the U.S. defense industry to…

Yemen’s Houthis say they attacked an oil facility in southwestern Saudi Arabia. Sunday's attack is the latest by the Iranian-backed rebels on the kingdom.